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$570+ Cheap flights from Duluth (DLH) to Ontario

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/23. Fares are subject to change and may not be available on all flights or dates of travel.
DLH — YYZ
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap flight deals from Duluth to Ontario

Cheapest flights from Duluth to Ontario
Explore the most affordable flight options available from Duluth to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.

This Justfly.com deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2312:00 pm
DLH
-
YUL
1 stop10h 34m
WestJet
Tue 9/297:00 am
YUL
-
DLH
1 stop4h 57m
WestJet
Deal found 1/26$570
This United Airlines deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/297:45 am
DLH
-
YYZ
1 stop15h 14m
United Airlines
Fri 4/37:00 am
YYZ
-
DLH
1 stop8h 27m
United Airlines
Deal found 1/27$592
This FlightHub deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/912:00 pm
DLH
-
YUL
1 stop10h 34m
WestJet
Thu 9/173:00 pm
YUL
-
DLH
1 stop9h 38m
WestJet
Deal found 1/28$596
This Delta deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/294:32 pm
DLH
-
YYZ
1 stop5h 34m
Delta
Fri 4/36:20 am
YYZ
-
DLH
2 stops6h 36m
Delta
Deal found 1/27$635
This United Airlines deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/143:19 pm
DLH
-
YYZ
1 stop5h 02m
United Airlines
Wed 2/1812:05 pm
YYZ
-
DLH
1 stop23h 38m
United Airlines
Deal found 1/28$662
This United Airlines deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/111:20 am
DLH
-
YUL
1 stop25h 40m
United Airlines
Wed 3/46:00 am
YUL
-
DLH
1 stop5h 43m
United Airlines
Deal found 1/28$770

Find flight deals from Duluth to Ontario

Keep the following information in mind while searching for Duluth to Ontario flight deals. Data was last updated January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$592
(United Airlines)
Provider with most accurate pricing for Duluth Intl-Toronto (YTO) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Duluth Intl-Toronto (YTO) flights.
Search Deals
From Duluth Intl to Ontario
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Duluth to Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 29, 2026.
Use the filters below to find and compare flights from Duluth to Ontario that are best for you.

Fly from

Duluth

Fly to

Ontario

Route

Depart

Return

Price

DuluthToronto

DLH - YYZ

DLHYYZ

Duluth Intl

Sun 3/29

7:45 am-11:59 pm

1 stop15h 14m

Toronto Pearson Intl

Fri 4/3

7:00 am-2:27 pm

1 stop8h 27m

$592

DuluthToronto

DLH - YYZ

DLHYYZ

Duluth Intl

Sun 3/29

4:32 pm-11:06 pm

1 stop5h 34m

Toronto Pearson Intl

Fri 4/3

6:20 am-11:56 am

2 stops6h 36m

$635

DuluthToronto

DLH - YYZ

DLHYYZ

Duluth Intl

Sat 2/14

3:19 pm-9:21 pm

1 stop5h 02m

Toronto Pearson Intl

Wed 2/18

12:05 pm-10:43 am

1 stop23h 38m

$662

DuluthMontreal

DLH - YUL

DLHYUL

Duluth Intl

Sun 3/1

11:20 am-3:57 pm

1 stop27h 37m

Montreal Pierre Elliott Trudeau Intl

Wed 3/4

6:00 am-10:43 am

1 stop5h 43m

$770

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Best time to book a flight from Duluth to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Duluth with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Duluth to Ontario
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Duluth to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Duluth to Ontario?

    For a flight from Duluth to Ontario, you will be flying from Duluth Intl. Duluth Intl (DLH) is just 5.8 mi from the center of the city.

  • How long is the flight from Duluth to Region of Ontario?

    Departing from Duluth to Region of Ontario will take you 5h 34m. The distance between Duluth and Region of Ontario is about 648 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • Can I find deals for flights from Duluth to Ontario that include hotel bookings?

    Yes. In addition to deals on Duluth to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Duluth to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Duluth to Ontario.

  • Can I find deals for business class flights from Duluth to Ontario?

    Yes. Cheapflights offers flight deals from Duluth to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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